From magnetic tape and rare film to lab notebooks and business plans to early mainframes and source code, our collection is as diverse as the history of computing. It is a rich resource for everyone, comprising historical objects, documents, software titles, ephemera, and photographs and moving images.
Note: CHM's online catalog has been updated through January 23rd, 2025. A new and improved catalog will be launched in Summer 2025.
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Catalog contains over 151,130 records.
DEC editor reference manual
Digital Equipment Corporation (DEC)
Document, 1978-07
102685213
Interactive COBOL Programmer's Reference
Data General Corporation (DGC)
Document, 1977
102685105
How to Use the Nova Computers
Data General Corporation (DGC)
Document, 1972-10
102685117
Introduction to BASIC
Digital Equipment Corporation (DEC)
Document, 1978
102686709
PDP-11 processor handbook
Digital Equipment Corporation (DEC)
Document, 1970
102683356
HP 2114 computer series
Hewlett-Packard Company (HP)
Document, 1968-1969
102683673
HP 2116B, 2116C
Hewlett-Packard Company (HP)
Document, 1968-1969
102683678
Trax macro reference manual
Digital Equipment Corporation (DEC)
Document, 1978-07
102685218
Digital equipment corporation 1979 annual report
Digital Equipment Corporation (DEC)
Document, 1979
102683421
HP pocket and desktop calculators
Hewlett-Packard Company (HP)
Document, 1973-1976
102683616
Infodisc - The new electronically automated index system
Infodisc
Document, Circa 1974
102683724
decsystem10 system reference manual
Digital Equipment Corporation (DEC)
Document, 1971
102686728
decsystem10 technical summaries
Digital Equipment Corporation (DEC)
Document, Circa 1974
102686730
VAX11 Software Handbook
Digital Equipment Corporation (DEC)
Document, 1978
102686723
Logic Handbook Flip Chip Modules 1969 Edition
Digital Equipment Corporation (DEC)
Document, 1969
102686689
Industrial Handbook
Digital Equipment Corporation (DEC)
Document, 1967
102686691
Elbit 100 computer technical specifications
Elbit Computers Limited
Document, 1969
102686759
PDP-10 installation manual
Digital Equipment Corporation (DEC)
Document, Circa 1967
102683332
Brochures for the Honeywell 7800 and 7200
Honeywell Inc.
Document, 1979
102685263
Trax odt reference manual
Digital Equipment Corporation (DEC)
Document, 1978-07
102685220